(a) The ASHPDA will mail, no later than the close of the first business day following the end of the review period, to the applicant and the appropriate federal funding agency or territorial program agency, written notification of its approval or disapproval of the proposed use of federal funds and the reasons for such approval or disapproval.

(b) Any proposed use of federal funds with respect to which notification .has not been provided by the ASHPDA in accordance with these procedures shall be deemed not to have been disapproved by the ASHPDA.